JP4319612B2 - Optical tape core - Google Patents

Description

  The present invention relates to an optical tape core wire used for exposed wiring work for constructing an optical network particularly in a home or premises.

8A and 8B are a top view and a cross-sectional view showing a conventional wire protector. That is, when performing exposed wiring work for constructing an optical network in a home / premises, first, the wire protector main body 11 is attached to the wall, and then the optical indoor cable or the optical cord 12 is accommodated in the wire protector main body 11. Then, cover the wire protector main body 11 with the lid 13 of the wire protector.
JP-A-5-346511

  In the conventional wire protector, the number of man-hours for the exposed wiring work is large, the workability is not high, and it is difficult to cope with a corner, a wall edge, etc. when the wire protector is attached to the wall. Moreover, since the wire protector is larger than the optical indoor cable or the optical cord, there is a possibility of deteriorating the aesthetic appearance of the wall.

  The present invention was made in view of the above circumstances, and can reduce the number of man-hours for exposed wiring construction in the house, etc., and the workability in curved walls and corners is significantly improved by the miniaturization, weight reduction, and flexibility of the wiring part. An object of the present invention is to provide an optical tape core that is excellent in aesthetics.

  In order to achieve the above object, an optical tape core of the present invention includes a tape core protection coating that covers an optical fiber core, an adhesive portion provided on the back surface of the tape core protection coating, and the tape core. In order to facilitate the partial separation of both sides of the protective coating, a pair of first cut portions provided in the longitudinal direction of the optical fiber core and a predetermined direction perpendicular to the longitudinal direction of the optical fiber core A plurality of second cut portions provided at intervals, and a separation portion that is provided in the adhesive portion corresponding to the first cut portion and the second cut portion and that is easily separated. It is.

  Further, the present invention is characterized in that an adhesive is applied to the back surface of the tape core wire protective coating as the adhesive portion.

  Further, the present invention is characterized in that a double-sided adhesive tape is attached to the back surface of the tape core wire protective coating as the adhesive portion.

  Moreover, this invention was provided in the adhesion part corresponding to the 3rd notch part provided in the center part longitudinal direction of the center part of the back surface of a tape core wire protective coating as the said optical tape core wire. It is characterized by comprising a cut.

  Further, the present invention is characterized in that a soft plastic such as a soft vinyl chloride resin or a semi-rigid plastic such as polyethylene or a tetrafluoroethylene resin is used as the tape core wire protective coating.

  The optical tape core of the present invention can reduce the number of man-hours for exposed wiring construction in the home, etc., and the workability in curved walls and corners is remarkably improved due to the miniaturization, weight reduction, and flexibility of the wiring part, and it is also excellent in appearance There is a remarkable effect.

Embodiments of the present invention will be described below in detail with reference to the drawings.
1A and 1B are a top view and a cross-sectional view showing an optical tape core wire according to an embodiment of the present invention. That is, a pair of optical fiber core wires 22 are embedded along the longitudinal direction in the tape core wire protective coating 21 formed of a belt-like section having a convex cross-section with a protruding central portion on the surface, and the pair of optical fiber core wires 22 is a tape core wire. It is covered with a protective coating 21. A double-sided adhesive tape 23 is attached to the back surface of the tape core wire protective coating 21 as an adhesive portion. The material used for the tape core wire protective coating 21 is a soft plastic such as soft vinyl chloride resin or a semi-rigid plastic such as polyethylene or tetrafluoroethylene resin having a predetermined protection function and flexibility. Can be used.

  2A is a perspective view showing an optical tape core wire according to an embodiment of the present invention, FIG. 2B is an enlarged cross-sectional view showing a portion A of FIG. 2A, and FIG. FIG. 2C is an enlarged cross-sectional view showing a portion B of FIG. 2A, and FIGS. 2D and 2E are enlarged cross-sectional views showing other examples of the B portion of FIG. is there. That is, as shown in FIGS. 2 (a) to 2 (c), in order to easily separate both sides of the tape core wire protective coating 21, the stepped portion having a convex cross section has the light. A pair of first cut portions 24 are provided in the longitudinal direction of the fiber core wire 22, and a portion extending from the step portion having the convex cross section to both side ends is predetermined in a direction perpendicular to the longitudinal direction of the optical fiber core wire 22. A plurality of second cut portions 25 are provided at intervals of. The double-sided adhesive tape 23 corresponding to the first cut portion 24 and the second cut portion 25 is provided with a cut 26 as an easily separated portion.

  As shown in FIGS. 2D and 2E, the cross-sectional shape of both side portions of the tape core wire protective coating 21 may be a semi-cylindrical shape or a saw-like shape.

  FIG. 3 is a configuration explanatory view showing a first usage example of the optical tape core according to the embodiment of the present invention. That is, in the case where the optical tape core wire 33 is exposed on the vertical wall 31 and the ceiling 32, in this case, both sides of the tape core wire protective coating 21 are partially cut off at the boundary between the vertical wall 31 and the ceiling 32. Further, by providing the first cut portion 24, the second cut portion 25, and the cut portion 34 cut from the cut 26 of the double-sided adhesive tape 23, the workability of the optical tape core wire 33 is remarkably improved.

  FIG. 4 is a configuration explanatory view showing a second usage example of the optical tape core according to the embodiment of the present invention. That is, it is a case where the optical tape core wire 42 is bent at a right angle on the vertical wall 41 and exposed wiring. In this case, in order to partially cut off the inside of the bent portion of the tape core wire protective coating 21, the first cut portion 24, a second cut portion 25, and a cut-out portion 43 cut from a cut 26 (not shown) of the double-sided adhesive tape 23, and a strip shape in which the outer side of the bent portion of the tape core wire protective coating 21 is partially expanded. In order to obtain the portion 44, the second cut portion 25 and the cut 26 of the double-sided adhesive tape 23 are separated.

  FIG. 5 is a configuration explanatory view showing an example of use of an optical tape core according to another embodiment of the present invention. That is, it is a case where the optical tape core wire 53 is exposed and wired along the corner of the boundary between the vertical wall 51 and the ceiling 52.

  FIG. 6 is a cross-sectional view showing an optical tape core wire according to another embodiment of the present invention. That is, a pair of optical fiber cores 55 are embedded along the longitudinal direction in the tape core wire protective coating 54 formed of a belt-like section having a convex cross section projecting from the center of the surface, and the pair of optical fiber core wires 55 are tape core wires. Covered by a protective coating 54. A triangular cut portion 56 is provided in the longitudinal direction of the optical fiber core 55 at the center of the back surface of the tape core protection coating 54. A double-sided adhesive tape 57 is attached to the back surface of the tape core wire protective coating 54 as an adhesive portion, and a cut 58 is provided in a portion corresponding to the cut portion 56 of the double-sided adhesive tape 57. The material used for the tape core wire protective coating 54 is a soft plastic such as soft vinyl chloride resin or a semi-rigid plastic such as polyethylene or tetrafluoroethylene resin having a predetermined protection function and flexibility. Can be used.

  FIG. 7 is a sectional view showing an example of use of an optical tape core according to another embodiment of the present invention. That is, it is a case where the optical tape core wire 53 is exposed and wired along the corner of the boundary between the vertical wall 51 and the ceiling 52. In this case, the cut portion 56 of the optical fiber core wire 55 and the cut 58 of the double-sided adhesive tape 57 are opened, the cover seal of the double-sided adhesive tape 57 separated by the cut 58 is peeled off, and the vertical wall 51 and the ceiling 52 respectively. Paste to.

  In addition, the adhesive part provided on the back side of the optical fiber ribbon protective coating is not limited to double-sided adhesive tape, but the adhesive is pre-applied at the factory and the cover seal is peeled off and attached. The coating itself may have an adhesive function. Moreover, even if the tape core wire protective coating itself does not have an adhesive function, it may be attached using a commercially available double-sided adhesive tape. The optical tape core is not limited to an optical tape core having a pair of optical fiber cores, but an optical tape core having a single optical fiber core or a multi-core optical fiber core having three or more cores. The same can be carried out using an optical tape core having the following.

  As described above, the optical tape core of the present invention is a wiring component for performing optical wiring with ease and high workability in a building such as a house or office. In particular, it is a wiring component effective for light exposure wiring in an existing building. In addition, it is a wiring component that can efficiently perform the bent corner wiring and the wall-to-wall wiring, which are problems when exposed wiring, and is a wiring component that has a simple structure and can be realized at low cost. Furthermore, since it can be made very thin and thin, it is possible to minimize the loss of the aesthetic appearance of the wall due to the exposed wiring.

  Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. In addition, various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, constituent elements over different embodiment examples may be appropriately combined.

(A), (b) is the top view and sectional drawing which show the optical tape core wire which concerns on the example of embodiment of this invention. (A) is a perspective view which shows the optical tape core wire based on the embodiment of this invention, (b) is sectional drawing which expands and shows the A section of (a), (c) is B of (a) Sectional drawing which expands and shows a part, (d), (e) is sectional drawing which expands and shows the other example of the B part of (a), respectively. It is composition explanatory drawing which shows the 1st usage example of the optical tape core wire which concerns on the example of embodiment of this invention. It is composition explanatory drawing which shows the 2nd usage example of the optical tape core wire which concerns on the example of embodiment of this invention. It is composition explanatory drawing which shows the usage example of the optical tape core wire which concerns on the other embodiment example of this invention. It is sectional drawing which shows the optical tape core wire which concerns on the other embodiment of this invention. It is sectional drawing which shows the usage example of the optical tape core wire which concerns on the other embodiment example of this invention. (A), (b) is the top view and sectional drawing which show the conventional wire protector.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 21 ... Tape core protection coating, 22 ... Optical fiber core wire, 23 ... Double-sided adhesive tape, 24 ... 1st cut part, 25 ... 2nd cut part, 26 ... Cut.

Claims (7)

A tape core wire protective coating in which an optical fiber core wire is embedded along the longitudinal direction of the center portion, formed of a belt-like section having a convex cross section with a center portion protruding from the surface ,
A convex cross section of the stepped portion of the ribbon the protective coating surface, a first cut portion of the pair provided in the longitudinal direction of the optical fiber,
A plurality of second cut portions provided at predetermined intervals in a direction perpendicular to the longitudinal direction of the optical fiber core wire at the portion extending from the step portion having a convex cross section on the tape core wire protective coating surface to both side ends. And
The optical tape core characterized in that the first cut portion and the second cut portion make it easy to partially separate both sides of the tape core protective coating . A tape core wire protective coating in which an optical fiber core wire is embedded along the longitudinal direction of the center portion, formed of a belt-like section having a convex cross section with a center portion protruding from the surface ,
An adhesive portion provided on the back surface of the tape core wire protective coating;
A convex cross section of the stepped portion of the ribbon the protective coating surface, a first cut portion of the pair provided in the longitudinal direction of the optical fiber,
A plurality of second cut portions provided at predetermined intervals in a direction perpendicular to the longitudinal direction of the optical fiber core wire at the portion extending from the step portion having a convex cross section on the tape core wire protective coating surface to both side ends. And
The optical tape core characterized in that the first cut portion and the second cut portion make it easy to partially separate both sides of the tape core protective coating . A tape core wire protective coating in which an optical fiber core wire is embedded along the longitudinal direction of the center portion, formed of a belt-like section having a convex cross section with a center portion protruding from the surface ,
An adhesive portion provided on the back surface of the tape core wire protective coating;
A convex cross section of the stepped portion of the ribbon the protective coating surface, a first cut portion of the pair provided in the longitudinal direction of the optical fiber,
A plurality of second cut portions provided at a predetermined interval in a direction perpendicular to the longitudinal direction of the optical fiber core wire in a portion extending from the stepped portion having a convex cross section of the tape core wire protective coating surface to both side ends ;
An easy-separation cut provided in the adhesive portion corresponding to the first cut portion and the second cut portion ,
The optical tape core, wherein the first cut portion, the second cut portion, and the cut make it easy to partially separate both sides of the tape core protective coating .   The optical tape core wire according to claim 2 or 3, wherein an adhesive is applied to the back surface of the tape core wire protective coating as the adhesive portion.   The optical tape core wire according to claim 2 or 3, wherein a double-sided adhesive tape is attached to the back surface of the tape core wire protective coating as the adhesive portion. A third notch provided in the longitudinal direction of the center of the back surface of the tape core protective coating;
The optical tape core wire according to any one of claims 2 to 5, further comprising a slit provided in an adhesive portion corresponding to the third cut portion.   7. The optical tape core according to claim 1, wherein a soft plastic such as a soft vinyl chloride resin or a semi-rigid plastic such as polyethylene or a tetrafluoroethylene resin is used as the protective coating for the tape core. .

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